26917520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 72638208

約数和(自身を除く): 45720688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 677, 710, 994, 1136, 1354, 1420, 1988, 2485, 2708, 2840, 3385, 3976, 4739, 4970, 5416, 5680, 6770, 7952, 9478, 9940, 10832, 13540, 18956, 19880, 23695, 27080, 37912, 39760, 47390, 48067, 54160, 75824, 94780, 96134, 189560, 192268, 240335, 336469, 379120, 384536, 480670, 672938, 769072, 961340, 1345876, 1682345, 1922680, 2691752, 3364690, 3845360, 5383504, 6729380, 13458760, 26917520]

約数ペア:

[(1, 26917520), (2, 13458760), (4, 6729380), (5, 5383504), (7, 3845360), (8, 3364690), (10, 2691752), (14, 1922680), (16, 1682345), (20, 1345876), (28, 961340), (35, 769072), (40, 672938), (56, 480670), (70, 384536), (71, 379120), (80, 336469), (112, 240335), (140, 192268), (142, 189560), (280, 96134), (284, 94780), (355, 75824), (497, 54160), (560, 48067), (568, 47390), (677, 39760), (710, 37912), (994, 27080), (1136, 23695), (1354, 19880), (1420, 18956), (1988, 13540), (2485, 10832), (2708, 9940), (2840, 9478), (3385, 7952), (3976, 6770), (4739, 5680), (4970, 5416)]